Home / 20,422.44-30,641.94-13,844.88

Finding the Fourth Proportional to 20,422.44, 30,641.94 and 13,844.88

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Solution

The fourth proportional to 20,422.44, 30,641.94 and 13,844.88 is: 20,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,422.44 : 30,641.94 = 13,844.88 : x
  2. Step 2: Convert to fraction form
    20,422.44/30,641.94 = 13,844.88/x
  3. Step 3: Cross multiply
    20,422.44x = 30,641.94 × 13,844.88
  4. Step 4: Simplify right side
    20,422.44x = 424,233,982.27
  5. Step 5: Solve for x
    x = 424,233,982.27/20,422.44
  6. Step 6: Final answer
    x = 20,772.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.